Richard Trethewey
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Understanding the History of Modern Plumbing
In this video, This Old House plumbing and heating expert Richard Trethewey tells us about the modern marvel that is plumbing, and why he enjoys it so much.
How to Retrofit Radiant Heating in a Bathroom
In this video, This Old House plumbing and heating expert Richard Trethewey helps a homeowner install a radiant floor system in their bathroom.
What is Goat Grazing?
Plumbing and heating expert Richard Trethewey steps (carefully) outside his normal trade to show us an eco-friendly way to clear overgrown yards: goats with an insatiable appetite.
How to Install a Bidet Toilet
Plumbing and heating expert Richard Trethewey helps a homeowner install a toilet-bidet combination unit.
How to Select a Bidet
Plumbing and heating expert Richard Trethewey talks with host Kevin O'Connor about non electric and electric toilet-bidet combination options.
When To Upsize a Water Heater
Plumbing and heating expert Richard Trethewey diagnoses and solves a homeowner’s lack of hot water.
Deal Breakers When Buying a Home
Host Kevin O’Connor asks the team at Ask This Old House about the red flags that they might consider deal breakers in today’s real estate market. From foundations to rooflines, they list their top concerns.
How To Repair a Leaking Shower Valve
When a shower valve in a perfectly preserved original bathroom started leaking, a homeowner reached out to Richard Trethewey for help fixing it.
How to Get Hot Water with a Recirculating Pump
This Old House plumbing and heating expert Richard Trethewey explains how a recirculation line can save energy, money, and time.
How to Create a House HVAC Plan
Richard Trethewey demonstrates heat loss and gain to design a balanced HVAC system.